Ask a Canada Law Question, Get an Answer ASAP!
Where was the business operating out of?
You can send her a demand letter giving her a deadline for paying you in full. Tell her if she fails to comply you will commence legal proceedings and then will be seeking damages, interest and your costs.
You can then sue her in Small Claims Court and can self-represent and if it gets that far and you find you need some help as you go through the process you can always post on this site again and I can assist you further.
I am sorry this happened to you.